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INCOME TAXES (Tables) | 12 Months Ended
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Sep. 30, 2013
Income Tax Disclosure [Abstract] |
Net Provision For Income Tax | The net provisions for income taxes charged during the fiscal years ended September 30, 2013, 2012, and 2011 are as follows:
(Thousands) | 2013 |  | 2012 |  | 2011
Included in Statements of Consolidated Income: |  |  |  |  |
Federal |  |  |  |  |
Current | $ | (4,173 | ) |  | $ | (3,835 | ) |  | $ | 4,724 |
Deferred | 19,925 |  |  | 26,365 |  |  | 20,602 |
Investment tax credits | (213 | ) |  | (213 | ) |  | (213 | )
State and local |  |  |  |  |
Current | (301 | ) |  | (430 | ) |  | 573 |
Deferred | 2,340 |  |  | 4,402 |  |  | 3,496 |
Total Income Tax Expense | $ | 17,578 |  |  | $ | 26,289 |  |  | $ | 29,182 |
Effective income tax rate variation from stated tax rate | The effective income tax rate varied from the federal statutory income tax rate for each year due to the following:
| 2013 |  | 2012 |  | 2011
Federal income tax statutory rate | 35.0 | % |  | 35.0 | % |  | 35.0 | %
State and local income taxes, net of federal income tax benefits | 3.5 |  |  | 2.9 |  |  | 2.8 |
Certain expenses capitalized on books and deducted on tax return | (9.7 | ) |  | (6.9 | ) |  | (5.0 | )
Taxes related to prior years | (1.6 | ) |  | (0.8 | ) |  | (0.7 | )
Other items – net | (2.2 | ) |  | (0.6 | ) |  | (0.7 | )
Effective income tax rate | 25.0 | % |  | 29.6 | % |  | 31.4 | %
Significant Items in Net Deferred Tax Liability | The significant items comprising the net deferred tax liability recognized in the Consolidated Balance Sheets as of September 30 are as follows:
(Thousands) | 2013 |  | 2012
Deferred tax assets: |  |  |
Reserves not currently deductible | $ | 13,933 |  |  | $ | 16,400 |
Pension and other postretirement benefits | 71,367 |  |  | 73,480 |
Unamortized investment tax credits | 1,799 |  |  | 1,955 |
Other* | 12,522 |  |  | 18,224 |
Total deferred tax assets | 99,621 |  |  | 110,059 |
Deferred tax liabilities: |  |  |
Relating to property | 341,975 |  |  | 303,474 |
Regulatory pension and other postretirement benefits | 124,871 |  |  | 121,554 |
Deferred gas costs | 7,112 |  |  | 20,652 |
Other | 5,789 |  |  | 26,563 |
Total deferred tax liabilities | 479,747 |  |  | 472,243 |
Net deferred tax liability | 380,126 |  |  | 362,184 |
Net deferred tax liability – current* | (1,012 | ) |  | (6,675 | )
Net deferred tax liability – non-current* | $ | 379,114 |  |  | $ | 355,509 |
* The Company periodically invests in tax credits. As of September 30, 2013, $7.1 million of state tax credits are included in Other and Net deferred tax liability. $4.7 million of state tax credits were classified as current. $2.4 million of state tax credits were classified as non-current.
Unrecognized Tax Benefit Reconciliation | The following table presents a reconciliation of the beginning and ending balances of unrecognized tax benefits at September 30 as reported in the Consolidated Balance Sheets:
(Thousands) | 2013 |  | 2012
Unrecognized tax benefits, beginning of year | $ | 5,810 |  |  | $ | 5,596 |
Increases related to prior year tax positions | 145 |  |  | 78 |
Increases related to tax positions taken in current year | 1,450 |  |  | 547 |
Reductions due to lapse of applicable statute of limitations | (5,018 | ) |  | (411 | )
Unrecognized tax benefits, end of year | $ | 2,387 |  |  | $ | 5,810 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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